On Fri, May 9, 2025 at 10:55 AM nmanca <[email protected]> wrote: > Hi, > > I'm trying to setup a shared scanner in my home LAN from a Debian Trixie > server. So far, I followed the steps reported in [1]. I avoided the > ipp-usb protocol and relied on the older implementation based on net > sane backed as apparently my Samsung SCX-3400 prefers that one. >
Samsung has a driver installer for the SCX-3400. It appears that HP actually manufactured the printer for Samsung. https://support.hp.com/us-en/drivers/samsung-scx-3400-laser-multifunction-printer-series/17156995 > The scanner is found on the server and the client finds it over the > network. I can connect using xsane and launch an acquisition of an image > or a preview. Im both the cases the scanner runs but the client hangs > waiting for something that never happens. Do you have any idea where the > problem could be or how to identify it? > > I did some diagnostic: > > after a failed scan attempt, apparently the saned socked remain busy > even after I kill xsane on the client: > > # Client > # pkill -9 xsane > > ## Server > # systemctl status saned.socket > [...] > Triggers: ● [email protected]:6566-192.168.1.25:36382.service > [...] > > In this status the client does not find the shared scanner anymore. If I > restart the service on the server the socket is released and the client > finds again the shared scanner: > > ## Server > # scanimage -L > device `xerox_mfp:libusb:001:003' is a Samsung Samsung SCX-3400 Series > multi-function peripheral > device `smfp:usb;04e8;344f;Z6TXB8KC3E01DHE' is a Samsung SCX-3400 Series > on USB Scanner > > ## Client > $ scanimage -L > device `v4l:/dev/video0' is a Noname C270 HD WEBCAM virtual device > device `net:<server>:xerox_mfp:libusb:001:003' is a Samsung Samsung > SCX-3400 Series multi-function peripheral > device `net:<server>:smfp:usb;04e8;344f;Z6TXB8KC3E01DHE' is a Samsung > SCX-3400 Series on USB Scanner > > > > Cheers, > Nicola > > [1] https://wiki.debian.org/SaneOverNetwork > > -- ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/ ⠈⠳⣄⠀⠀

